第二章研究金融波动的频域分析方法。
In Chapter two, the frequency domain method of financial volatility analysis is studied.
拉普拉斯变换法只适用于线性电路的频域分析。
The laplace-transform method is only applicable to the frequency domain analysis for linear circuits.
本文针对线天线及天线阵的频域分析方法的缺点。
The methods for analyzing the line antenna and antenna array are mostly in the frequency domain.
直接采用频域分析方法诊断早期故障的收效甚微。
For incipient faults, the spectrum analysis is not effective.
本文还从时域和频域分析了这类正交脉冲波形的特性。
The performance of the orthogonal pulse waveforms is also analyzed in time domain and frequency domain.
设计中主要是对SSB已调信号进行时域和频域分析。
Design mainly SSB signals have had time and frequency domain analysis.
在此基础上，对船厢子系统进行时域分析和频域分析。
On the basis of the above work, the analysis in the time domain and frequency domain is completed.
频域分析包括频谱分析、全息谱分析、频谱细化分析。
The frequency filed analyzing contains the frequency spectrum analyzing, complete information analyzing, frequency room analyzing.
其中重点分析在频域分析中遇到的问题以及解决的方法。
It is emphasized on the problems of signal analyzing in frequency-field and ways of solving these problems.
在优化后，对系统进行了各种典型信号的时域分析和频域分析。
After optimization, time domain response of various typical signals and the frequency domain response are simulated.
给出了一种能够同时对泄漏电流和参考电压进行频域分析的算法。
An algorithm used to analyse the leakage current and the reference voltage simultaneously in frequency domain is also provided.
其次论述了常用的故障诊断方法，即时域分析方法和频域分析方法。
Then the time domain analysis methods and frequency domain analysis methods which are frequently used for fault diagnosis have been discussed.
超声波频域分析是把频域分析的理论和方法应用于超声检测的技术。
Ultrasonic spectrum analysis is the ultrasonic testing technology which puts into use the spectrum analysis theory and approach.
通过对实验结果的频域分析，证明了其压力波动频率受激波器的控制。
Moreover, the experimental results showed that the periodic controllable hydraulic water hammer wave generated by the system can be used as an exciting force.
本文应用复数网络理论，提出了一种用于频域分析的新模型—实阻性模型。
A new model for frequency - domain analysis - the real resistive model which is based on Complex Network Theory is proposed in this paper.
利用振动烈度和频域分析方法，对轧机主传动系统减速机进行了故障诊断。
In this paper, the reducer in the main drive system of the rolling mill has been diagnosed successfully by using vibration intensity method and frequency domain analysis method.
时域分析和傅氏变换的频域分析方法是现代铁路信号检测的主要方法之一。
Fourier transformation in time domain and frequency domain is one of the main methods for modern railway signal detection.
对束支阻滞时VLP阳性可靠性提出质疑，认为应结合频域分析加以鉴别。
To the dependability of VLP positive results of BBB we raise a query and consider that the analyse of frequency threshod should be used simultaneously.
以自并励励磁系统为例，根据实测数据利用频域分析，得到励磁系统滞后特性。
With the bus fed static excitation system, based on field-test data and using frequency domain analysis, the hysteretic characteristics of excitation system wer.
采用滞后阻尼假定，分别应用时域和频域分析方法对土层的地震反应进行计算。
Based on the assumption of hysteretic damping, seismic response of soil layer was analyzed by using the methods of time domain and frequency domain separately.
最后对实测推力数据进行分析处理，即数据平滑、FFT频域分析和补偿滤波。
Finaly tested thrust data processing, data smooth, FFT frequency analysis and compensated filter were accomplished.
在时域、频域分析方法的基础上，论述了一种时频域分析方法这——局域波法。
On the basis of the methods above, the method of time-frequency analysis: local wave method is introduced.
基于稳定性的频域分析技术，研究了线性中立型时滞系统渐近稳定的充分性条件。
Based on the frequency-domain techniques to analyze the stability of a system, this paper deals with the sufficient conditions of the asymptotic stability of linear neutral delay systems.
提出了估算开孔结构风致内压脉动的频域分析方法，并实施了风洞试验进行验证。
A method for estimating wind-induced fluctuating internal pressure in the frequency domain is proposed and wind tunnel tests were carried out to verify the method.
应用轮轨系统动力学的频域分析方法，研究了轨道刚度对轨道动力特性的影响规律。
The effects of track stiffness on track dynamic characteristics were investigated by the wheel-rail system dynamic analysis in frequency domain.
本文介绍了应力波反射法中所使用的频域分析在判断桩身质量完整性中的优点与不足。
In this paper, we introduced the merit and shortage of the frequency analysis determining the integrality of stake - boby quantity using the reflect method of stress wave.
提出了一种基于时域分析和频域分析的动平衡方法，应用于水轮发电机转子的动平衡。
A method, based on analysis of time domain and frequency domain, applied in dynamic balance of hydro-generator rotor is presented.
就这两种双频光栅剖面术的原理、频域分析和三维重建的计算效率进行了详细的比较。
In this paper, we compared and analyzed these two gratings on the aspects of principles, spectrums and computation efficiency of three-dimensional reconstruction.
对镀锌板激光拼焊过程中焊缝上出现孔洞时的等离子体光信号进行了幅域和频域分析。
Light emission from the plasma in laser welding of zinc-coated plates when there appeared pinhole in the weld were analysised on magnitude and frequency ranges.
对镀锌板激光拼焊过程中焊缝上出现孔洞时的等离子体光信号进行了幅域和频域分析。
Light emission from the plasma in laser welding of zinc-coated plates when there appeared pinhole in the weld were analysised on magnitude and frequency ranges.
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